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Weird noise problem!

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GTP4

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I just finished installing my AEM wideband.
When i turn the car on, i can a hear a high pitched noise coming from the door speakers.
When i disconect the wideband , it goes away.
I got the power for the wideband from the fuse box.
Any suggestions as to what would cause this?
 


Ignition noise, you gotta put a suppressor on the HOT wire for the Wideband.

That or get the wideband on its own fused circuit. the tap youa re using is prolly a IGN hot that is also connected to the radio and other IGN hot circuits in your car.
 
WhiteDevil said:
Ignition noise, you gotta put a suppressor on the HOT wire for the Wideband.

That or get the wideband on its own fused circuit. the tap youa re using is prolly a IGN hot that is also connected to the radio and other IGN hot circuits in your car.
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Thanx for the input.
Any ideas as to where its best to get the power from??
 
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